3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library.
13 # This file implements tests for foreign keys.
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
20 ifcapable {!foreignkey} {
24 do_execsql_test 1.0 { PRAGMA foreign_keys = 1; }
27 foreach {tn use_stmt sql schema} {
28 1 1 "DELETE FROM p1" {
29 CREATE TABLE p1(a PRIMARY KEY);
30 CREATE TABLE c1(b REFERENCES p1);
33 2.1 0 "DELETE FROM p1" {
34 CREATE TABLE p1(a PRIMARY KEY);
35 CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE);
37 2.2 0 "DELETE FROM p1" {
38 CREATE TABLE p1(a PRIMARY KEY);
39 CREATE TABLE c1(b REFERENCES p1 ON DELETE SET NULL);
41 2.3 1 "DELETE FROM p1" {
42 CREATE TABLE p1(a PRIMARY KEY);
43 CREATE TABLE c1(b REFERENCES p1 ON DELETE SET DEFAULT);
46 3 1 "DELETE FROM p1" {
47 CREATE TABLE p1(a PRIMARY KEY);
48 CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE);
49 CREATE TRIGGER ct1 AFTER DELETE ON c1 BEGIN
50 INSERT INTO p1 VALUES('x');
54 4 1 "DELETE FROM p1" {
55 CREATE TABLE p1(a PRIMARY KEY);
56 CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE, c PRIMARY KEY);
57 CREATE TABLE cc1(d REFERENCES c1);
60 5.1 0 "DELETE FROM p1" {
61 CREATE TABLE p1(a PRIMARY KEY);
62 CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE, c PRIMARY KEY);
63 CREATE TABLE cc1(d REFERENCES c1 ON DELETE CASCADE);
65 5.2 0 "DELETE FROM p1" {
66 CREATE TABLE p1(a PRIMARY KEY);
67 CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE, c PRIMARY KEY);
68 CREATE TABLE cc1(d REFERENCES c1 ON DELETE SET NULL);
70 5.3 1 "DELETE FROM p1" {
71 CREATE TABLE p1(a PRIMARY KEY);
72 CREATE TABLE c1(b REFERENCES p1 ON DELETE CASCADE, c PRIMARY KEY);
73 CREATE TABLE cc1(d REFERENCES c1 ON DELETE SET DEFAULT);
76 6.1 1 "UPDATE p1 SET a = ?" {
77 CREATE TABLE p1(a PRIMARY KEY);
78 CREATE TABLE c1(b REFERENCES p1 ON UPDATE SET NULL, c);
80 6.2 0 "UPDATE OR IGNORE p1 SET a = ?" {
81 CREATE TABLE p1(a PRIMARY KEY);
82 CREATE TABLE c1(b REFERENCES p1 ON UPDATE SET NULL, c);
84 6.3 1 "UPDATE OR IGNORE p1 SET a = ?" {
85 CREATE TABLE p1(a PRIMARY KEY);
86 CREATE TABLE c1(b REFERENCES p1 ON UPDATE CASCADE, c);
88 6.4 1 "UPDATE OR IGNORE p1 SET a = ?" {
89 CREATE TABLE p1(a PRIMARY KEY);
90 CREATE TABLE c1(b NOT NULL REFERENCES p1 ON UPDATE SET NULL, c);
97 set stmt [sqlite3_prepare_v2 db $sql -1 dummy]
98 set ret [uses_stmt_journal $stmt]
99 sqlite3_finalize $stmt
104 #-------------------------------------------------------------------------
105 # The following tests check that foreign key constaint counters are
106 # correctly updated for any implicit DELETE operations that occur
107 # when a REPLACE command is executed against a WITHOUT ROWID table
108 # that has no triggers or auxiliary indexes.
111 do_execsql_test 2.1.0 {
112 PRAGMA foreign_keys = on;
113 CREATE TABLE p1(a PRIMARY KEY, b) WITHOUT ROWID;
114 CREATE TABLE c1(x REFERENCES p1 DEFERRABLE INITIALLY DEFERRED);
116 INSERT INTO p1 VALUES(1, 'one');
117 INSERT INTO p1 VALUES(2, 'two');
118 INSERT INTO c1 VALUES(1);
119 INSERT INTO c1 VALUES(2);
122 do_catchsql_test 2.1.2 {
124 DELETE FROM p1 WHERE a=1;
125 INSERT OR REPLACE INTO p1 VALUES(2, 'two');
127 } {1 {FOREIGN KEY constraint failed}}
130 do_execsql_test 2.2.0 {
131 PRAGMA foreign_keys = on;
132 CREATE TABLE p2(a PRIMARY KEY, b);
135 y REFERENCES p2 DEFERRABLE INITIALLY DEFERRED
139 do_catchsql_test 2.2.1 {
141 INSERT INTO c2 VALUES(13, 13);
142 INSERT OR REPLACE INTO c2 VALUES(13, 13);
148 do_execsql_test 2.3.0 {
149 PRAGMA foreign_keys = on;
150 CREATE TABLE p3(a PRIMARY KEY, b) WITHOUT ROWID;
151 CREATE TABLE c3(x REFERENCES p3);
153 INSERT INTO p3 VALUES(1, 'one');
154 INSERT INTO p3 VALUES(2, 'two');
155 INSERT INTO c3 VALUES(1);
156 INSERT INTO c3 VALUES(2);
158 CREATE TRIGGER p3d AFTER DELETE ON p3 WHEN old.a=1 BEGIN
159 INSERT OR REPLACE INTO p3 VALUES(2, 'three');
163 do_catchsql_test 2.3.1 {
164 DELETE FROM p3 WHERE a=1
165 } {1 {FOREIGN KEY constraint failed}}
168 do_execsql_test 3.0 {
169 PRAGMA foreign_keys=ON;
171 a PRIMARY KEY, b, c, d, e,
172 FOREIGN KEY(b, c) REFERENCES t2(d, e)
174 CREATE UNIQUE INDEX idx ON t2(d, e);
176 INSERT INTO t2 VALUES(1, 'one', 'one', 'one', 'one'); -- row is parent of self
177 INSERT INTO t2 VALUES(2, 'one', 'one', 'one', NULL); -- parent is row 1
180 do_catchsql_test 3.1 {
181 DELETE FROM t2 WHERE a=1;
182 } {1 {FOREIGN KEY constraint failed}}
184 do_execsql_test 4.0 {
188 FOREIGN KEY(c1) REFERENCES t1(c2)
190 CREATE INDEX t1c1 ON t1(c1);
191 CREATE UNIQUE INDEX t1c1unique ON t1(c2);
193 do_catchsql_test 4.1 {
194 INSERT OR REPLACE INTO t1 VALUES(10000, 20000);
195 } {1 {FOREIGN KEY constraint failed}}
196 do_execsql_test 4.2 {
197 INSERT OR REPLACE INTO t1 VALUES(20000, 20000);
200 #-------------------------------------------------------------------------
202 do_execsql_test 5.0 {
203 PRAGMA foreign_keys = true;
209 FOREIGN KEY(c) REFERENCES parent(p) DEFERRABLE INITIALLY DEFERRED
212 INSERT INTO child VALUES(123);
213 INSERT INTO parent VALUES('123');
216 do_execsql_test 5.1 {
217 PRAGMA integrity_check;
220 do_execsql_test 5.2 {
221 INSERT INTO parent VALUES(1200);
223 INSERT INTO child VALUES(456);
224 UPDATE parent SET p = '456' WHERE p=1200;
227 do_execsql_test 5.3 {
228 PRAGMA integrity_check;